3(4),7(8)-Bis(aminomethyl)bicyclo[4.3.0]nonane and a process for its preparation
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United States of America Patent
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Mar 11, 2008
Grant Date -
Aug 2, 2007
app pub date -
Jan 25, 2007
filing date -
Jan 31, 2006
priority date (Note) -
Expired
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Abstract
3(4),7(8)-bis(aminomethyl)bicyclo[4.3.0]nonane and a process for its preparation, wherein bicyclo[4.3.0]nona-3,7-diene is reacted with synthesis gas in a homogeneous organic phase in the presence of transition metal compounds of Group VIII of the Periodic Table containing complex-bound organophosphorus compounds, and excess organophosphorus compound, at temperatures of 70 to 160.degree. C. and pressures of 5 to 35 MPa, and the 3(4),7(8)-bisformylbicyclo[4.3.0]nonane thus obtained is reductively aminated.
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